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双折射材料的温度修正 Birefringent Material Temperature Modification eC:?j`H- Ie(vTP1Cj 目前,FRED尚不支持“global”温度设置,温度敏感性评估一般用脚本编程来完成,该文档演示双折射材料的折射率随温度变化的问题。附件案例文件包括两个双折射材料模,“KDP”和 “KDP Baseline”, KDP Baseline材料存储在已知温度下的折射率,KDP材料用于储存在“current”温度下的折射率值,定义为与baseline material之间的温度差。一个嵌入的脚本名为“modifyBirefringentMaterialIndex” ,包含在FRED文件中,另外也单独附加。其实现过程如下: SXn\k;F< F;l*@y Tq 1.Retrieve the node numbers for the two materials, KDP and KDP Baseline k
9 Xi|Yj J1kG'cH05 2.User specifies CTE for the ordinary and extraordinary refractive index values as well as the temperature difference from the baseline |IL..C Iuk!A?XV 3.Loop over the baseline material samples and determine the number of wavelength entries ?5d7J,"<h .du FMJl 4.Loop over each sampled wavelength entry in the baseline material ..RCR_DIp U5 ~L^ a.Modify the ordinary and extraordinary refractive index values using (2) above ^nn3; .^BL7 b.Apply the modified values to the non-baseline material 0` :B#ten rJ)O( 5.Set a description on the non-baseline material indicating the temperature change from baseline m'&^\7;D [5$=G@ zf 脚本编程及GUI例程请下载链接: K@u\^6419 dx{ZG'@aH http://fred-kb.photonengr.com/files/2011/04/modifyBirefringentMaterialIndex.frs 9$F '*{8 U JO http://fred-kb.photonengr.com/files/2011/04/birefringentMaterialTemperatureModification.frd C.M]~"e Ym~*5| "I.PV$Rxl QQ:2987619807 5(kRFb'31F
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